Use a higher quality headset with your smartphone, iPhone, or tablet Convert standard 2.5mm phone headset plug to 3.5mm TRRS plug Use your phone headset with iPhone, Android, Blackberry, PS4,...

Adapts phones with a 2.5mm headset jack to either your corded headset amplifier jack, or to your wireless base station Easy to use and install Simple to use with most devices,...

Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug. Save money by buying a smartphone headset, or using your existing one with your Aastra phone's handset jack. Reduce clutter...

3.5mm Female to 2.5mm Male Headset Adapter Convert 3.5mm smartphone, Android, Blackberry, or iPhone headset plug to standard 2.5mm plug Use your iPhone or smartphone headset with any 2.5mm home,...

3.5mm Female to 2.5mm Male iPhone Headset Adapter Adapter cable allows you to use a 3.5mm TRRS stereo headset or headphones with a built-in-microphone with home/office phones that use a 2.5mm TRS...

Compatible with Apple EarPods.  Convert 3.5mm Smartphone plug to single 4P4C RJ9/RJ10 handset plug. Save money by buying a smartphone headset, or using your existing one with your Aastra...

Adapts phones with a 3.5mm headset jack to either your corded headset amplifier jack, or to your wireless base station Easy to use and install Simple to use with most devices,...

Dual control with 2 mute buttons Dual volume control Listen-in only or train/take over call Works with wired or wireless headsets or a mix Use with Agent, Plantronics, Jabra and Sennheiser...

Use a standard batteryless electret condenser mic (ECM) such as lavalier, PC, or headset mic, with your smartphone or tablet Not for use with mics that require batteries Works with most...

No more reaching under or to the back of your office phone to plug in a headset Great for hot desking where headsets are switched out often Works with all direct connect headset models including...

Convert 2.5mm Headset to 3.5mm Jack Use your phone headset with iPhone, iPad, Android, Blackberry, Motorola, PS4, Windows, or other smartphone or tablet 3.5mm headset jack Great for traveling,...

Converts a standard 3.5mm combo headphone/microphone port into two distinct ports – one 3.5mm headphone jack and one 3.5mm microphone port Great solution and compact design for maximum...